| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Оберн | city | Nebraska | United States | 40.39 | -95.84 | 1003 | |
| Огаллала | city | Nebraska | United States | 41.13 | -101.72 | 3349 | |
| Олианс | city | Nebraska | United States | 42.10 | -102.87 | 4189 | |
| Омаха | city | Nebraska | United States | 41.26 | -95.94 | 1059 | |
| Орд | city | Nebraska | United States | 41.60 | -98.93 | 2083 | |
| Оґаллала | city | Nebraska | United States | 41.13 | -101.72 | 3349 |